Just after Ubisoft revealed its Michael Jackson: The Experience game hit 2 million units, it's achieved another milestone: Just Dance 2 for Wii has sold through 5 million units, and the publisher says it's got a dance game boom on its hands.

After just 10 weeks, Just Dance 2 has become the Wii's highest-selling third party game, Ubisoft SVP of sales and marketing Tony Key tells Gamasutra.